PFAS in Rhode Island Water
Based on EPA UCMR 5 testing of 15 public water systems in Rhode Island.
See Rhode Island on the national heatmap15
Systems Tested
15
With PFAS Detected
10
Above EPA Limits
67%
Exceed MCL
Most Commonly Detected PFAS in Rhode Island
Systems with detections · EPA UCMR 5 (2023–2025)
PFHxA 12 systems
PFPeA 11 systems
PFOA 11 systems
PFBS 8 systems
PFHpA 7 systems
PFBA 6 systems
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Water Systems in Rhode Island (15)
| Water System ↕ | PWSID | PFAS Detected ↕ | Above MCL ↕ | Risk |
|---|---|---|---|---|
| UNIVERSITY OF RHODE ISLAND Groundwater | RI1858422 | 9 | 2 | High Risk |
| QUONSET BUSINESS PARK Groundwater | RI1592025 | 8 | 2 | High Risk |
| WESTERLY WATER DEPARTMENT Groundwater | RI1559512 | 7 | 2 | High Risk |
| NORTH KINGSTOWN TOWN OF Groundwater | RI1559517 | 6 | 2 | High Risk |
| CUMBERLAND, TOWN OF Groundwater | RI1647530 | 6 | 2 | High Risk |
| KENT COUNTY WATER AUTHORITY Groundwater | RI1559511 | 6 | 1 | High Risk |
| WOONSOCKET WATER DIVISION Surface Water | RI1559518 | 5 | 1 | High Risk |
| KINGSTON WATER DISTRICT Groundwater | RI1858421 | 5 | 1 | High Risk |
| SOUTH KINGSTOWN-SOUTH SHORE Groundwater | RI1615623 | 4 | 1 | High Risk |
| NARRAGANSETT WATER DEPT-NORTH END Groundwater | RI1858429 | 4 | 1 | High Risk |
| NAVAL STATION, NEWPORT Surface Water | RI1000016 | 3 | 0 | Low Level |
| NEWPORT-CITY OF Surface Water | RI1592010 | 3 | 0 | Low Level |
| NORTH TIVERTON FIRE DISTRICT Surface Water | RI1592018 | 1 | 0 | Low Level |
| PAWTUCKET-CITY OF MX | RI1592021 | 1 | 0 | Low Level |
| JAMESTOWN WATER DEPARTMENT Surface Water | RI1858419 | 1 | 0 | Low Level |
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